CN217081169U

CN217081169U - Quick assembly disassembly shaft coupling for plate blank on-line width adjusting crystallizer

Info

Publication number: CN217081169U
Application number: CN202221067024.5U
Authority: CN
Inventors: 孙健; 钟鹏; 张敏; 张宇光; 黄传根; 朱鸿远; 徐钢; 周德福; 范海宁; 沈广文
Original assignee: Maanshan Iron and Steel Co Ltd
Current assignee: Maanshan Iron and Steel Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-07-29
Anticipated expiration: 2032-05-06

Abstract

The utility model provides a wide crystallizer quick assembly disassembly shaft coupling is transferred on line to slab belongs to slab continuous casting machine technical field, this quick assembly disassembly shaft coupling, include the universal shaft sleeve that links to each other through flexible cardan shaft with the output shaft of motor, the one end that universal shaft sleeve kept away from the motor links to each other through locking jackscrew locking after preventing changeing grafting with the transition axle sleeve, and the one end that universal shaft sleeve was kept away from to the transition axle sleeve cup joints with the interference of speed reducer input shaft and links to each other, the beneficial effects of the utility model are that, the utility model has the advantages of, overall structure is simple, firm in connection, transmission are reliable, have satisfied the operating mode requirement that crystallizer located, have realized quick assembly disassembly, have realized the quick replacement of crystallizer, have improved the operating efficiency of conticaster.

Description

Quick assembly disassembly shaft coupling for plate blank on-line width adjusting crystallizer

Technical Field

The utility model relates to a slab continuous casting machinery technical field especially relates to a slab transfers wide quick assembly disassembly shaft coupling for crystallizer on line.

Background

The modern high-efficiency slab caster puts high requirements on the requirement of the equipment operation rate, and adopts an online width adjusting technology for reducing the downtime of a casting machine, releasing more capacity and adapting to the group production of small-batch multi-specification casting blank widths.

On the crystallizer adopting the motor to drive and adjust the width, a universal coupling is adopted to connect the motor and the speed reducer, so that the width adjusting action is realized. Because the universal coupling is in a severe working condition of high temperature and high humidity for a long time, secondary cooling steam mixed with dust particles of the covering slag is filled in the environment. The adopted coupler is required to be capable of adapting to the severe environment and reliably transmitting motion, the connection between the motor and the speed reducer is required to be firm and reliable, otherwise, the taper of the narrow-face copper plate of the crystallizer is easy to cause unqualified requirements, and the steel leakage accident is caused.

The prior universal coupling has the following defects: firstly, the structure is complex, the transmission motion efficiency is low, and the reliability is poor; secondly, the operation can appear in long-term abominable operating mode that adapting unit is not hard up, damage, often need shut down and dismantle and change, and because current universal joint structure is complicated, dismantle with the installation cycle longer, make the change cycle length of crystallizer, will delay production, reduce the operating efficiency of conticaster.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a seed kind of slab is quick assembly disassembly shaft coupling for width adjusting crystallizer on line, its simple structure, firm in connection, transmission are reliable, can satisfy the operating mode requirement that the crystallizer was located, and can realize quick assembly disassembly, can realize the quick replacement of crystallizer, can improve the operating efficiency of conticaster.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the quick assembly disassembly shaft coupling for the on-line width-adjusting crystallizer of the plate blank comprises a universal shaft sleeve connected with an output shaft of a motor through a telescopic universal shaft, wherein the universal shaft sleeve is far away from one end of the motor and a transition shaft sleeve are connected through a locking jackscrew after being in anti-rotation insertion connection, and the transition shaft sleeve is far away from one end of the universal shaft sleeve and is connected with an input shaft of a speed reducer in an interference sleeved mode.

The transition shaft sleeve comprises an integrally formed sleeve section and a joint section, one end of the sleeve section is in interference fit with the input shaft of the speed reducer, and the other end of the sleeve section is arranged on the joint section and passes through the joint section and the universal shaft sleeve rotation prevention connection.

The sleeve section center is provided with the shaft hole, the shaft hole edge is provided with the keyway along its axial, install the connecting key on the speed reducer input shaft, the speed reducer input shaft with shaft hole interference fit, the connecting key card is gone into in the keyway.

The joint section is set as a square tenon, and a square hole matched with the square tenon is arranged in the universal shaft sleeve.

The four circumferential planes of the square tenon are respectively provided with a locking groove, the periphery of one end of the universal shaft sleeve is in threaded connection with a locking jackscrew, and one end of the locking jackscrew enters the square hole and then is clamped into the corresponding locking groove.

The depth of the locking groove is set to be 1-1.5 mm.

The locking jackscrew is provided with 1 or more, and the locking jackscrew is perpendicular with the plane that the locking recess that corresponds is located.

One end of the universal shaft sleeve, which is far away from the transition shaft sleeve, is relatively provided with a connecting lug which is connected with one end of the telescopic universal shaft through a cross shaft.

The telescopic universal shaft comprises a connecting shaft sleeve and a spline shaft connected with the connecting shaft sleeve in a sleeved mode.

The utility model has the advantages that:

1. the utility model discloses a connect flexible cardan shaft between motor and speed reducer, cardan shaft sleeve and transition axle sleeve, it links to each other through locking jackscrew locking after grafting links to each other to prevent changeing between cardan shaft sleeve and the transition axle sleeve, the simple structure of this shaft coupling, it is more convenient to install and dismantle, the quick replacement crystallizer of being convenient for, can improve the operating efficiency of conticaster, and in motor and the normal during operation of reduction gear, the transmission moment of torsion of motor transmits through preventing changeing grafting complex structure, high transmission efficiency, the transmission is reliable, can satisfy the operating mode requirement that the crystallizer located.

2. The utility model discloses a structure of square tenon grafting realizes the installation of shaft coupling, simple structure, prevents changeing effectually, and transmission efficiency is high, all sets up the locking recess on four planes all around of the square tenon of transition axle sleeve one end moreover, revolves soon to twist the locking jackscrew and makes its card go into behind the locking recess that corresponds can link to each other universal axle sleeve and transition axle sleeve locking, has avoided universal axle sleeve and transition axle sleeve to throw off along the axial, has guaranteed the stability and the fastness of shaft coupling installation back structure.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

fig. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a cross-sectional view of the connection between the gimbal sleeve and the transition sleeve of the present invention;

fig. 3 is a schematic structural view of the transition shaft sleeve of the present invention;

FIG. 4 is a schematic structural view of the universal sleeve of the present invention;

the labels in the above figures are: 1. the universal joint comprises a motor, 2 parts of a telescopic universal shaft, 21 parts of a connecting shaft sleeve, 22 parts of a spline shaft, 3 parts of a universal shaft sleeve, 31 parts of a square hole, 32 parts of a connecting lug, 4 parts of a transition shaft sleeve, 41 parts of a sleeve section, 411 parts of a shaft hole, 412 parts of a key groove, 42 parts of a joint section, 421 parts of a locking groove, 5 parts of a locking jackscrew and 6 parts of a speed reducer input shaft.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses specific embodiment does: as shown in fig. 1 and fig. 2, the quick-dismounting coupling for the on-line slab width-adjusting crystallizer comprises a universal shaft sleeve 3 connected with an output shaft of a motor 1 through a telescopic universal shaft 2, wherein one end, far away from the motor 1, of the universal shaft sleeve 3 is locked and connected with a transition shaft sleeve 4 through a locking jackscrew 5 after being rotationally inserted, and one end, far away from the universal shaft sleeve 3, of the transition shaft sleeve 4 is connected with a speed reducer input shaft 6 in an interference sleeved mode. The simple structure of this shaft coupling, flexible cardan shaft 2 wherein provides the space for the dismouting of transition axle sleeve 4 and cardan shaft sleeve 3, makes the installation and the dismantlement of shaft coupling more convenient, can improve the operating efficiency of conticaster, and at motor 1 and reduction gear normal operating time, the transmission moment of torsion of motor 1 transmits through preventing changeing grafting complex structure, and transmission efficiency is high, and the transmission is reliable, can satisfy the operating mode requirement that the crystallizer was located.

Specifically, as shown in fig. 2 and fig. 3, the transition shaft sleeve 4 includes a sleeve section 41 and a joint section 42 that are integrally formed, one end of the sleeve section 41 is in interference fit with the input shaft 6 of the speed reducer, and the other end of the sleeve section 41 is provided with the joint section 42 and is connected with the universal shaft sleeve 3 in an anti-rotation manner through the joint section 42.

The center of sleeve section 41 wherein is provided with shaft hole 411, and shaft hole 411 edge is provided with keyway 412 along its axial, installs the connecting key on the speed reducer input shaft 6, speed reducer input shaft 6 and shaft hole 411 interference fit, and in the connecting key card was gone into keyway 412, realized

sleeve section

41 and 6 interference fit of speed reducer input shaft, made the installation back more firm.

The joint section 42 is a square tenon, a square hole 31 matched with the square tenon is formed in the universal shaft sleeve 3, rotation-proof connection is achieved, and square tenon connection is adopted to transmit movement, so that transmission is more reliable.

Wherein, four circumferential planes of the square tenon are respectively provided with a locking groove 421, the periphery of one end of the universal shaft sleeve 3 is in threaded connection with a locking jackscrew 5, the number of the locking jackscrews 5 is 1 or more, the locking jackscrew 5 is vertical to the central axis of the universal shaft sleeve 3, one end of the locking jackscrew 5 enters the square hole 31 and then is clamped into the corresponding locking groove 421, and the locking jackscrew 5 is perpendicular with the plane at the locking recess 421 that corresponds, the degree of depth of locking recess 421 sets up to 1 ~ 1.5mm, twist soon locking jackscrew 5 and make its card go into behind the locking recess 421 that corresponds can link to each other universal shaft sleeve 3 and transition shaft sleeve 4 locking, the friction of locking jackscrew 5 and locking recess 421 bottom and with the shearing force of locking recess 421 side avoided universal shaft sleeve 3 and transition shaft sleeve 4 to throw off along the axial, the stability and the fastness of structure after the shaft coupling installation have been guaranteed.

Of course, the cross section of the joint segment 42 may also be set to be polygonal such as pentagonal, hexagonal, etc., which may play a role of rotation prevention, and the locking groove 421 is provided on each plane of the outer circumference of the joint segment 42.

Specifically, as shown in fig. 2 and fig. 4, one end of the universal sleeve 3, which is far away from the transition sleeve 4, is provided with a connecting lug 32, and the connecting lug 32 is connected with one end of the telescopic universal shaft 2 through a cross shaft, so that universal transmission is realized.

Specifically, flexible cardan shaft 2 wherein includes connecting shaft sleeve 21, connecting shaft sleeve 21's one end is connected with universal joint I, universal joint I links to each other through flange and motor 1's output shaft, connecting shaft sleeve 21's the other end and the one end of integral key shaft 22 cup joint and link to each other, integral key shaft 22's the other end passes through universal joint II and links to each other with universal shaft sleeve 3, integral key shaft 22 and connecting shaft sleeve 21 are at the scalable removal of axial, the dismouting for transition shaft sleeve 4 and universal shaft sleeve 3 provides the space, it is more convenient to make the installation and the dismantlement of shaft coupling.

The utility model provides a shaft coupling's installation method does: firstly, an output shaft end of a motor 1 is connected with one end of a telescopic universal shaft 2 through a flange, and the other end of the telescopic universal shaft 2 is connected with a connecting lug 32 of a universal shaft sleeve 3 through a cross shaft; then, retracting the telescopic universal shaft 2 to enable the telescopic universal shaft 2 to be in the shortest state, and tightly connecting the end of the input shaft 6 of the speed reducer with one end of the transition shaft sleeve 4 in an interference manner after a connecting key is installed at the end; and finally, pulling the universal shaft sleeve 3 to enable the square hole 31 to be sleeved outside the square tenon of the transition shaft sleeve 4, screwing the locking jackscrew 5 after the universal shaft sleeve is sleeved in place to enable the locking jackscrew 5 to be clamped into the locking groove 421 of the square tenon, and locking the universal shaft sleeve 3 and the transition shaft sleeve 4 to be connected.

The utility model provides a shaft coupling's dismantlement method does: firstly, reversely screwing the locking jackscrew 5 to separate from the locking groove 421 of the square tenon; then, the universal shaft sleeve 3 is pulled towards the direction of the motor 1 to be separated from the square tenon, so that the universal shaft sleeve 3 and the transition shaft sleeve 4 are quickly separated, and the crystallizer can be quickly replaced conveniently.

To sum up, the utility model has the advantages that the whole structure is simple it is single, firm in connection, transmission are reliable, satisfy the operating mode requirement that the crystallizer was located, have realized quick assembly disassembly, have realized the quick replacement of crystallizer, have improved the operating efficiency of conticaster.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Claims

1. The utility model provides a slab transfers wide crystallizer on line with quick assembly disassembly shaft coupling which characterized in that, includes the universal shaft sleeve that links to each other through flexible cardan shaft with the output shaft of motor, universal shaft sleeve keeps away from the one end of motor prevents changeing the grafting back with the transition axle sleeve and links to each other through locking jackscrew locking, the transition axle sleeve is kept away from universal shaft sleeve's one end and speed reducer input shaft interference cup joint and link to each other.

2. The quick assembly disassembly coupling for the online width-adjusting crystallizer of the slab of claim 1, characterized in that: the transition shaft sleeve comprises an integrally formed sleeve section and a joint section, one end of the sleeve section is in interference fit with the input shaft of the speed reducer, and the other end of the sleeve section is arranged on the joint section and passes through the joint section and the universal shaft sleeve rotation prevention connection.

3. The quick assembly disassembly coupling for the online width-adjusting crystallizer of the slab of claim 2, characterized in that: the sleeve section center is provided with the shaft hole, the shaft hole edge is provided with the keyway along its axial, install the connecting key on the speed reducer input shaft, the speed reducer input shaft with shaft hole interference fit, the connecting key card is gone into in the keyway.

4. The quick assembly disassembly coupling for the online width-adjusting crystallizer of the slab of claim 2, characterized in that: the joint section is set as a square tenon, and a square hole matched with the square tenon is arranged in the universal shaft sleeve.

5. The quick assembly disassembly shaft coupling for the online slab width adjusting crystallizer of claim 4, wherein: the four circumferential planes of the square tenon are respectively provided with a locking groove, the periphery of one end of the universal shaft sleeve is in threaded connection with a locking jackscrew, and one end of the locking jackscrew enters the square hole and then is clamped into the corresponding locking groove.

6. The quick assembly disassembly coupling for the online slab width adjusting crystallizer of claim 5, wherein: the depth of the locking groove is set to be 1-1.5 mm.

7. The quick assembly disassembly coupling for the online slab width adjusting crystallizer of claim 5, wherein: the locking jackscrew is provided with 1 or more, and the locking jackscrew is perpendicular with the plane that the locking recess that corresponds is located.

8. The quick assembly disassembly coupling for the online width-adjusting crystallizer of the slab of claim 1, characterized in that: one end of the universal shaft sleeve, which is far away from the transition shaft sleeve, is relatively provided with a connecting lug which is connected with one end of the telescopic universal shaft through a cross shaft.

9. The quick assembly disassembly coupling for the online width-adjusting crystallizer of the slab of claim 1, characterized in that: the telescopic universal shaft comprises a connecting shaft sleeve and a spline shaft connected with the connecting shaft sleeve in a sleeved mode.